反射，获取类的属性以及get方法

vo实体类：

 public class Result {

     /***
      * 返回结果code
      * ok:10000
      * error:20000
      */
     private String code;

     /***
      * 返回描述
      */
     private String msg;

     public String getCode() {
         return code;
     }

     public void setCode(String code) {
         this.code = code;
     }

     public String getMsg() {
         return msg;
     }

     public void setMsg(String msg) {
         this.msg = msg;
     }

     @Override
     public String toString() {
         return "Result{" +
                 "code='" + code + '\'' +
                 ", msg='" + msg + '\'' +
                 '}';
     }
 }

测试类：

 import java.lang.reflect.Field;
 import java.lang.reflect.Method;
 import java.lang.reflect.Modifier;

 /**
  * @author create by lxn
  * @date 2018/4/19 11:22
  **/
 public class Test {

     public static void main(String[] args) throws Exception {

         Result result = new Result();
         result.setCode("10000");
         result.setMsg("成功");
         System.out.println("属性-----");
         System.out.println("方法-----");
         Method[] declaredMethods = Result.class.getDeclaredMethods();
         for (int i = 0; i < declaredMethods.length; i++) {
             String name = declaredMethods[i].getName();
             System.out.println(name);
             String mod = Modifier.toString(declaredMethods[i].getModifiers()); // 取得访问权限
             String metName = declaredMethods[i].getName(); // 取得方法名称
         }
         System.out.println("类名-----");
         String filename = Result.class.getSimpleName().toLowerCase();
         System.out.println(filename);
         StringBuffer sb = new StringBuffer();
         sb.append("<date>");
         sb.append("<"+filename+">");
         Field[] fields = Result.class.getDeclaredFields();
         for (int i = 0; i < fields.length; i++) {
             String name = fields[i].getName();
             sb.append("<"+name+">");
             Method m = Result.class.getMethod("get" +upperCase1th(name));
             String value = (String) m.invoke(result);
             sb.append(value);
             sb.append("</"+name+">");
             System.out.println(name);
         }
         sb.append("</"+filename+">");
         sb.append("</date>");
         System.out.println("拼装的xml："+sb.toString());
     }

     public static String upperCase1th(String str){
         return str.substring(0, 1).toUpperCase() + str.substring(1);
     }
 }

输出结果：

 拼装的xml：<date><result><code>10000</code><msg>成功</msg></result></date>